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From: Tom Lane <tgl@sss.pgh.pa.us>
To: aurora <aurora00@gmail.com>
Cc: Mark Lewis <mark.lewis@mir3.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: browsing table with 2 million records
Date: Wed, 26 Oct 2005 17:31:57 -0400
Message-ID: <11775.1130362317@sss.pgh.pa.us> (raw)
In-Reply-To: <cbd177510510261422h17f277d3w92c834164cf75a4e@mail.gmail.com>
References: <cbd177510510261341l4ed7a214lda9d67af12f2ec21@mail.gmail.com>
	<1130360385.1156.12.camel@archimedes>
	<cbd177510510261422h17f277d3w92c834164cf75a4e@mail.gmail.com>

aurora <aurora00@gmail.com> writes:
> It would still be helpful if select count(*) can perform well.

If you can settle for an approximate count, pg_class.reltuples might
help you.

			regards, tom lane

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